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8#include "motu.h"
9
10#define OUI_MOTU 0x0001f2
11
12MODULE_DESCRIPTION("MOTU FireWire driver");
13MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
14MODULE_LICENSE("GPL v2");
15
16const unsigned int snd_motu_clock_rates[SND_MOTU_CLOCK_RATE_COUNT] = {
17
18 [0] = 44100,
19 [1] = 48000,
20
21 [2] = 88200,
22 [3] = 96000,
23
24 [4] = 176400,
25 [5] = 192000,
26};
27
28static void name_card(struct snd_motu *motu)
29{
30 struct fw_device *fw_dev = fw_parent_device(motu->unit);
31 struct fw_csr_iterator it;
32 int key, val;
33 u32 version = 0;
34
35 fw_csr_iterator_init(&it, motu->unit->directory);
36 while (fw_csr_iterator_next(&it, &key, &val)) {
37 switch (key) {
38 case CSR_MODEL:
39 version = val;
40 break;
41 }
42 }
43
44 strcpy(motu->card->driver, "FW-MOTU");
45 strcpy(motu->card->shortname, motu->spec->name);
46 strcpy(motu->card->mixername, motu->spec->name);
47 snprintf(motu->card->longname, sizeof(motu->card->longname),
48 "MOTU %s (version:%06x), GUID %08x%08x at %s, S%d",
49 motu->spec->name, version,
50 fw_dev->config_rom[3], fw_dev->config_rom[4],
51 dev_name(&motu->unit->device), 100 << fw_dev->max_speed);
52}
53
54static void motu_card_free(struct snd_card *card)
55{
56 struct snd_motu *motu = card->private_data;
57
58 snd_motu_transaction_unregister(motu);
59 snd_motu_stream_destroy_duplex(motu);
60}
61
62static void do_registration(struct work_struct *work)
63{
64 struct snd_motu *motu = container_of(work, struct snd_motu, dwork.work);
65 int err;
66
67 if (motu->registered)
68 return;
69
70 err = snd_card_new(&motu->unit->device, -1, NULL, THIS_MODULE, 0,
71 &motu->card);
72 if (err < 0)
73 return;
74 motu->card->private_free = motu_card_free;
75 motu->card->private_data = motu;
76
77 name_card(motu);
78
79 err = snd_motu_transaction_register(motu);
80 if (err < 0)
81 goto error;
82
83 err = snd_motu_stream_init_duplex(motu);
84 if (err < 0)
85 goto error;
86
87 snd_motu_proc_init(motu);
88
89 err = snd_motu_create_pcm_devices(motu);
90 if (err < 0)
91 goto error;
92
93 if ((motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_2ND_Q) ||
94 (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q) ||
95 (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) ||
96 (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q)) {
97 err = snd_motu_create_midi_devices(motu);
98 if (err < 0)
99 goto error;
100 }
101
102 err = snd_motu_create_hwdep_device(motu);
103 if (err < 0)
104 goto error;
105
106 err = snd_card_register(motu->card);
107 if (err < 0)
108 goto error;
109
110 motu->registered = true;
111
112 return;
113error:
114 snd_card_free(motu->card);
115 dev_info(&motu->unit->device,
116 "Sound card registration failed: %d\n", err);
117}
118
119static int motu_probe(struct fw_unit *unit,
120 const struct ieee1394_device_id *entry)
121{
122 struct snd_motu *motu;
123
124
125 motu = devm_kzalloc(&unit->device, sizeof(struct snd_motu), GFP_KERNEL);
126 if (!motu)
127 return -ENOMEM;
128 motu->unit = fw_unit_get(unit);
129 dev_set_drvdata(&unit->device, motu);
130
131 motu->spec = (const struct snd_motu_spec *)entry->driver_data;
132 mutex_init(&motu->mutex);
133 spin_lock_init(&motu->lock);
134 init_waitqueue_head(&motu->hwdep_wait);
135
136
137 INIT_DEFERRABLE_WORK(&motu->dwork, do_registration);
138 snd_fw_schedule_registration(unit, &motu->dwork);
139
140 return 0;
141}
142
143static void motu_remove(struct fw_unit *unit)
144{
145 struct snd_motu *motu = dev_get_drvdata(&unit->device);
146
147
148
149
150
151
152 cancel_delayed_work_sync(&motu->dwork);
153
154 if (motu->registered) {
155
156 snd_card_free(motu->card);
157 }
158
159 mutex_destroy(&motu->mutex);
160 fw_unit_put(motu->unit);
161}
162
163static void motu_bus_update(struct fw_unit *unit)
164{
165 struct snd_motu *motu = dev_get_drvdata(&unit->device);
166
167
168 if (!motu->registered)
169 snd_fw_schedule_registration(unit, &motu->dwork);
170
171
172 snd_motu_transaction_reregister(motu);
173}
174
175static const struct snd_motu_spec motu_828mk2 = {
176 .name = "828mk2",
177 .protocol = &snd_motu_protocol_v2,
178 .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
179 SND_MOTU_SPEC_TX_MICINST_CHUNK |
180 SND_MOTU_SPEC_TX_RETURN_CHUNK |
181 SND_MOTU_SPEC_RX_SEPARETED_MAIN |
182 SND_MOTU_SPEC_HAS_OPT_IFACE_A |
183 SND_MOTU_SPEC_RX_MIDI_2ND_Q |
184 SND_MOTU_SPEC_TX_MIDI_2ND_Q,
185
186 .analog_in_ports = 8,
187 .analog_out_ports = 8,
188};
189
190const struct snd_motu_spec snd_motu_spec_traveler = {
191 .name = "Traveler",
192 .protocol = &snd_motu_protocol_v2,
193 .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
194 SND_MOTU_SPEC_SUPPORT_CLOCK_X4 |
195 SND_MOTU_SPEC_TX_RETURN_CHUNK |
196 SND_MOTU_SPEC_HAS_AESEBU_IFACE |
197 SND_MOTU_SPEC_HAS_OPT_IFACE_A |
198 SND_MOTU_SPEC_RX_MIDI_2ND_Q |
199 SND_MOTU_SPEC_TX_MIDI_2ND_Q,
200
201 .analog_in_ports = 8,
202 .analog_out_ports = 8,
203};
204
205const struct snd_motu_spec snd_motu_spec_8pre = {
206 .name = "8pre",
207 .protocol = &snd_motu_protocol_v2,
208
209
210 .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
211 SND_MOTU_SPEC_HAS_OPT_IFACE_A |
212 SND_MOTU_SPEC_HAS_OPT_IFACE_B |
213 SND_MOTU_SPEC_RX_MIDI_2ND_Q |
214 SND_MOTU_SPEC_TX_MIDI_2ND_Q,
215 .analog_in_ports = 8,
216 .analog_out_ports = 2,
217};
218
219static const struct snd_motu_spec motu_828mk3 = {
220 .name = "828mk3",
221 .protocol = &snd_motu_protocol_v3,
222 .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
223 SND_MOTU_SPEC_SUPPORT_CLOCK_X4 |
224 SND_MOTU_SPEC_TX_MICINST_CHUNK |
225 SND_MOTU_SPEC_TX_RETURN_CHUNK |
226 SND_MOTU_SPEC_TX_REVERB_CHUNK |
227 SND_MOTU_SPEC_RX_SEPARETED_MAIN |
228 SND_MOTU_SPEC_HAS_OPT_IFACE_A |
229 SND_MOTU_SPEC_HAS_OPT_IFACE_B |
230 SND_MOTU_SPEC_RX_MIDI_3RD_Q |
231 SND_MOTU_SPEC_TX_MIDI_3RD_Q,
232
233 .analog_in_ports = 8,
234 .analog_out_ports = 8,
235};
236
237static const struct snd_motu_spec motu_audio_express = {
238 .name = "AudioExpress",
239 .protocol = &snd_motu_protocol_v3,
240 .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
241 SND_MOTU_SPEC_TX_MICINST_CHUNK |
242 SND_MOTU_SPEC_TX_RETURN_CHUNK |
243 SND_MOTU_SPEC_RX_SEPARETED_MAIN |
244 SND_MOTU_SPEC_RX_MIDI_2ND_Q |
245 SND_MOTU_SPEC_TX_MIDI_3RD_Q,
246 .analog_in_ports = 2,
247 .analog_out_ports = 4,
248};
249
250#define SND_MOTU_DEV_ENTRY(model, data) \
251{ \
252 .match_flags = IEEE1394_MATCH_VENDOR_ID | \
253 IEEE1394_MATCH_SPECIFIER_ID | \
254 IEEE1394_MATCH_VERSION, \
255 .vendor_id = OUI_MOTU, \
256 .specifier_id = OUI_MOTU, \
257 .version = model, \
258 .driver_data = (kernel_ulong_t)data, \
259}
260
261static const struct ieee1394_device_id motu_id_table[] = {
262 SND_MOTU_DEV_ENTRY(0x000003, &motu_828mk2),
263 SND_MOTU_DEV_ENTRY(0x000009, &snd_motu_spec_traveler),
264 SND_MOTU_DEV_ENTRY(0x00000f, &snd_motu_spec_8pre),
265 SND_MOTU_DEV_ENTRY(0x000015, &motu_828mk3),
266 SND_MOTU_DEV_ENTRY(0x000035, &motu_828mk3),
267 SND_MOTU_DEV_ENTRY(0x000033, &motu_audio_express),
268 { }
269};
270MODULE_DEVICE_TABLE(ieee1394, motu_id_table);
271
272static struct fw_driver motu_driver = {
273 .driver = {
274 .owner = THIS_MODULE,
275 .name = KBUILD_MODNAME,
276 .bus = &fw_bus_type,
277 },
278 .probe = motu_probe,
279 .update = motu_bus_update,
280 .remove = motu_remove,
281 .id_table = motu_id_table,
282};
283
284static int __init alsa_motu_init(void)
285{
286 return driver_register(&motu_driver.driver);
287}
288
289static void __exit alsa_motu_exit(void)
290{
291 driver_unregister(&motu_driver.driver);
292}
293
294module_init(alsa_motu_init);
295module_exit(alsa_motu_exit);
296
